RasterImage class

RasterImage class

Represents a raster image supporting raster graphics operations.

Inheritance: RasterImage → Image → DataStreamSupporter → DisposableObject

The RasterImage type exposes the following members:

Properties

Property	Description
disposed	Gets a value indicating whether this instance is disposed.
data_stream_container	Gets the object’s data stream.
is_cached	Gets a value indicating whether object’s data is cached currently and no data reading is required.
bounds	Gets the image bounds.
container	Gets the Image container.
height	Gets the image height.
palette	Gets or sets the color palette.
size	Gets the image size.
width	Gets the image width.
has_background_color	Gets or sets a value indicating whether image has background color.
background_color	Gets or sets a value for the background color.
unit_type	Gets current unit type.
unitless_default_unit_type	Assumed unit type when UnitType is set to Unitless
xmp_data	Gets or sets the XMP metadata.
raw_indexed_color_converter	Gets or sets the indexed color converter
raw_custom_color_converter	Gets or sets the custom color converter
raw_fallback_index	Gets or sets the fallback index to use when palette index is out of bounds
raw_data_settings	Gets the current raw data settings. Note when using these settings the data loads without conversion.
raw_data_format	Gets the raw data format.
raw_line_size	Gets the raw line size in bytes.
is_raw_data_available	Gets a value indicating whether raw data loading is available.
bits_per_pixel	Gets the image bits per pixel count.
horizontal_resolution	Gets or sets the horizontal resolution, in pixels per inch, of this RasterImage.
vertical_resolution	Gets or sets the vertical resolution, in pixels per inch, of this RasterImage.
has_transparent_color	Gets a value indicating whether image has transparent color.
has_alpha	Gets a value indicating whether this instance has alpha.
transparent_color	Gets the image transparent color.

Methods

Method	Description
save	Saves the image data to the underlying stream.
save	Saves the object’s data to the specified file location in the specified file format according to save options.
save	Saves the image’s data to the specified stream in the specified file format according to save options.
save	Saves the object’s data to the specified stream.
save	Saves the object’s data to the specified file location.
save	Saves the object’s data to the specified file location.
can_load	Determines whether image can be loaded from the specified file path.
can_load	Determines whether an image can be loaded from the specified file path and optionally using the specified open options
can_load	Determines whether image can be loaded from the specified stream.
can_load	Determines whether image can be loaded from the specified stream and optionally using the specified load_options.
get_file_format	Gets the file format.
get_file_format	Gets the file format.
load	Loads a new image from the specified file.
load	Loads a new image from the specified file.
load	Loads a new image from the specified stream.
load	Loads a new image from the specified stream.
dither	Performs dithering on the current image.
dither	Performs dithering on the current image.
resize	Resizes the image.
resize	Resizes the image.
crop	Cropping the image.
crop	Crop image with shifts.
adjust_gamma	Gamma-correction of an image.
adjust_gamma	Gamma-correction of an image.
get_default_raw_data	Gets the default raw data array using partial pixel loader.
get_default_raw_data	Gets the default raw data array.
write_scan_line	Writes the whole scan line to the specified scan line index.
write_scan_line	Writes the whole scan line to the specified scan line index.
cache_data	Caches the data and ensures no additional data loading will be performed from the underlying DataStreamSupporter.data_stream_container.
get_strings	Gets all string values from image.
can_save	Determines whether image can be saved to the specified file format represented by the passed save options.
get_default_pixels	Gets the default pixels array using partial pixel loader.
binarize_otsu	Binarization of an image with Otsu thresholding
binarize_bradley	Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding
adjust_brightness	Adjust of a brightness for image.
grayscale	Transformation of an image to its grayscale representation
binarize_fixed	Binarization of an image with predefined threshold
rotate	Rotate image around the center.
adjust_contrast	Image contrasting
get_default_argb_32_pixels	Gets the default 32-bit ARGB pixels array.
get_argb_32_pixel	Gets an image 32-bit ARGB pixel.
get_pixel	Gets an image pixel.
set_argb_32_pixel	Sets an image 32-bit ARGB pixel for the specified position.
set_pixel	Sets an image pixel for the specified position.
read_scan_line	Reads the whole scan line by the specified scan line index.
read_scan_line_argb	Reads the whole scan line by the specified scan line index.
load_partial_argb_32_pixels	Loads 32-bit ARGB pixels partially by packs.
load_partial_pixels	Loads pixels partially by packs.
load_argb_32_pixels	Loads 32-bit ARGB pixels.
load_pixels	Loads pixels.
load_cmyk_pixels	Loads pixels in CMYK format.
load_raw_data	Loads raw data.
save_raw_data	Saves the raw data.
save_argb_32_pixels	Saves the 32-bit ARGB pixels.
save_pixels	Saves the pixels.
save_cmyk_pixels	Saves the pixels.
set_resolution	Sets the resolution for this RasterImage.
set_palette	Sets the image palette.
filter	Filters the specified rectangle.

See Also

• module aspose.cad
• class DataStreamSupporter
• class DisposableObject
• class Image
• class RasterImage